TOra is an open-source multi-platform database management GUI that supports accessing most of the common database platforms in use, including Oracle, MySQL, and Postgres, as well as limited support for any target that can be accessed through Qt's ODBC support. TOra has been built for various Linux distributions, Mac OS X, MS Windows, and UNIX platforms.

In addition to regular query and data browsing functionality, it includes several additional tools useful for database administrators and developers – which aims to help the DBA or developer of database application. Features PL/SQL debugger, SQL worksheet with syntax highlighting, DB browser and a comprehensive set of DBA tools.

Install TOra:
TOra could be install trough APT or Synaptics Package Manager, you can install TOra via APT by typing following command:

sudo atp-get install tora

Using TORA:
To use TORA, go to Applications > Programming > TORA. Once opened, it will ask for username and password. Provide the information depending on the user you want to login as. Then select the database you want to use.